/***************************************************************************/
/*                                                                         */
/*  basepic.c                                                              */
/*                                                                         */
/*    The FreeType position independent code services for base.            */
/*                                                                         */
/*  Copyright 2009 by                                                      */
/*  Oran Agra and Mickey Gabel.                                            */
/*                                                                         */
/*  This file is part of the FreeType project, and may only be used,       */
/*  modified, and distributed under the terms of the FreeType project      */
/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
/*  this file you indicate that you have read the license and              */
/*  understand and accept it fully.                                        */
/*                                                                         */
/***************************************************************************/


#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_OBJECTS_H
#include "basepic.h"

#ifdef FT_CONFIG_OPTION_PIC

/* forward declaration of PIC init functions from ftglyph.c */
void FT_Init_Class_ft_outline_glyph_class(FT_Glyph_Class*);
void FT_Init_Class_ft_bitmap_glyph_class(FT_Glyph_Class*);

/* forward declaration of PIC init functions from ftinit.c */
FT_Error ft_create_default_module_classes(FT_Library);
void ft_destroy_default_module_classes(FT_Library);

void
ft_base_pic_free(FT_Library library)
{
    FT_PIC_Container* pic_container = &library->pic_container;
    FT_Memory memory = library->memory;
    if (pic_container->base)
    {
        /* Destroy default module classes (in case FT_Add_Default_Modules was used) */
        ft_destroy_default_module_classes(library);

        FT_FREE(pic_container->base);
        pic_container->base = NULL;
    }
}


FT_Error
ft_base_pic_init(FT_Library library)
{
    FT_PIC_Container* pic_container = &library->pic_container;
    FT_Error error = FT_Err_Ok;
    BasePIC* container;
    FT_Memory memory = library->memory;

    /* allocate pointer, clear and set global container pointer */
    if (FT_ALLOC(container, sizeof(*container)))
        return error;
    FT_MEM_SET(container, 0, sizeof(*container));
    pic_container->base = container;

    /* initialize default modules list and pointers */
    error = ft_create_default_module_classes(library);
    if (error)
        goto Exit;

    /* initialize pointer table - this is how the module usually expects this data */
    FT_Init_Class_ft_outline_glyph_class(&container->ft_outline_glyph_class);
    FT_Init_Class_ft_bitmap_glyph_class(&container->ft_bitmap_glyph_class);

Exit:
    if (error)
        ft_base_pic_free(library);
    return error;
}


#endif /* FT_CONFIG_OPTION_PIC */


/* END */